darling-dyld/dyld3/Diagnostics.h
2023-04-29 11:24:58 -07:00

115 lines
3.5 KiB
C++

/*
* Copyright (c) 2017 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifndef Diagnostics_h
#define Diagnostics_h
#include <stdint.h>
#if BUILDING_CACHE_BUILDER
#include <set>
#include <string>
#include <vector>
#include <dispatch/dispatch.h>
#endif
#include "Logging.h"
class VIS_HIDDEN Diagnostics
{
public:
Diagnostics(bool verbose=false);
~Diagnostics();
void error(const char* format, ...) __attribute__((format(printf, 2, 3)));
void error(const char* format, va_list list);
#if BUILDING_CACHE_BUILDER
Diagnostics(const std::string& prefix, bool verbose=false);
void warning(const char* format, ...) __attribute__((format(printf, 2, 3)));
void verbose(const char* format, ...) __attribute__((format(printf, 2, 3)));
void copy(const Diagnostics&);
#endif
bool hasError() const;
bool noError() const;
void clearError();
void assertNoError() const;
bool errorMessageContains(const char* subString) const;
#if !BUILDING_CACHE_BUILDER
const char* errorMessage() const;
#else
const std::string prefix() const;
std::string errorMessage() const;
const std::set<std::string> warnings() const;
void clearWarnings();
#endif
private:
void* _buffer = nullptr;
#if BUILDING_CACHE_BUILDER
std::string _prefix;
std::set<std::string> _warnings;
bool _verbose = false;
#endif
};
#if BUILDING_CACHE_BUILDER
class VIS_HIDDEN TimeRecorder
{
public:
// Call pushTimedSection(), then mark events with recordTime. Call popTimedSection() to stop the current timing session.
// This is stack-based, so you can start a sub-timer with pushTimedSection() / recordTime / recordTime... / popTimedSection()
// inside a first timed section.
// Call logTimings() to print everything.
// Start a new timed section.
void pushTimedSection();
// Records the time taken since the last pushTimedSection() / recordTime() at the current level
void recordTime(const char* format, ...);
// Stop the current timed section and pop back one level.
void popTimedSection();
void logTimings();
private:
struct TimingEntry {
uint64_t time;
std::string logMessage;
int depth;
};
std::vector<uint64_t> openTimings;
std::vector<TimingEntry> timings;
};
#endif /* BUILDING_CACHE_BUILDER */
#endif // Diagnostics_h